Amlodipine benzenesulfonate tablets belong to the dihydropyridine class of calcium antagonists, mainly used in the treatment of hypertension and coronary heart disease and other diseases. Amlodipine benzenesulfonate tablets are often used clinically for the treatment of hypertension, coronary heart disease and its causes such as chronic stable angina, vasospastic angina, angiographically confirmed coronary heart disease and other conditions. This drug can be applied alone or in combination with other anti-hypertensive and anti-anginal drugs. After the use of the drug, some adverse reactions may occur, common adverse reactions include edema, dizziness, palpitations, fatigue, nausea, drowsiness, arrhythmia, bradycardia, constipation, dysphagia, abdominal pain, diarrhea and so on. This drug is contraindicated in people who are allergic to amlodipine and any of the ingredients in this drug. Patients with impaired liver function should slowly increase the dosage; children, the elderly, lactating women and pregnant women and other special groups should use this drug with caution; some patients may experience worsening angina pectoris or acute myocardial infarction after taking the drug, and some other patients may experience hypotension. If you need to apply this drug, it is recommended to follow the instructions of the doctor, do not apply at will. If any discomfort occurs during the administration of the drug, medical attention must be sought as soon as possible.